Referenced Domain IPv4/IPv6 Web Statistics

Background and Methodology	IPv6 & DNSSEC SnapShots
USG IPv6 & DNSSEC Statistics	USG IPv4 Statistics
Industry IPv6 & DNSSEC Statistics	Industry IPv4 Statistics
University IPv6 & DNSSEC Statistics	University IPv4 Statistics
CFO Act Agency Summary Statistics	USG IPv6 Enabled WWW Sites

- Referenced Domain Web Statistics for 2026.02.12 -

gov.sustainability. | Environmental Protection Agency	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.constantcontact.r20.visitor  (https)	0.093667	1137	0.09	0.057073	0	0	n/a	graph
com.googleapis.fonts  (https)	0.041419	1621	0.30	0.065143	1621	0.19	63%	graph
gov.energy.www  (https)	0.083498	117347	10.79	0.040134	117347	22.38	208%	graph
• gov.sustainability.www  (https)	0.043918	10317	1.83	0.006372	0	0	n/a	graph
gov.whitehouse.www  (https)	0.034907	258528	58.01	0.032832	258528	61.64	106%	graph
IPv6 operational: 0% of linked subdomains (0/1), 60% of all linked domains (3/5)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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